Alert archive / Indiana / Flash Flood Warnings in 1990

Flash Flood Warning 31, NWS Indianapolis, IN

June 8, 1990Madison County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 8, 1990, 2:15 AM EST for Madison County, Indiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jun 8, 1990, 2:15 AM EST (07:15 UTC)
Expired: Jun 8, 1990, 4:15 AM EST
In force: 2 hr
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Madison County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 7.3 hours before the alert went out and 133 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 248 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 684 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KIND 080718
FFWIND
INC095-080915-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
215 AM EST FRI JUN 8 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  415 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL INDIANA
          ...MADISON
 
AT 205 AM EST THE INDIANA STATE POLICE REPORTED STREETS WERE BEGINING
TO FLOOD IN THE TOWN OF ELWOOD...WHICH IS 12 MILES NORTHWEST OF
ANDERSON.
AT 215 AM EST RADAR SHOWED A THUNDERSTORM WHICH OVER MADISON COUNTY
ABOUT 5 MILES WEST OF ANDERSON. THIS STORM WAS MOVING EAST AT 35 MILES
AN HOUR AND WILL MOVE THROUGH THE ANDERSON AREA. HEAVY RAINFALL WITH
THIS STORM WILL CAUSE FLOODING OF ROADS AND CAUSE STREAMS TO RISE
QUICKLY.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IFn WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
WJG

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 2:20 AM EST	Flash Flood Warning	IND	Hamilton	2 hr
Jun 8, 3:10 AM EST	Flash Flood Warning	IND	Delaware, Henry, Randolph	110 min
Jun 8, 4:23 PM EST	Severe Thunderstorm Warning	IND	Posey	37 min
Jun 8, 5:17 PM EST	Severe Thunderstorm Warning	IND	Vanderburgh, Warrick	43 min
Jun 8, 5:52 PM EST	Severe Thunderstorm Warning	IND	Perry	38 min
Jun 8, 6:58 PM EST	Flash Flood Warning	IND	Daviess, Knox	2 hr
Jun 8, 6:58 PM EST	Flash Flood Warning	IND	Martin	2 hr

Nearby

Flash Flood Warnings in Indiana, 1990 Every flash flood warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.